If you no longer need a workspace open, you can close it. When you need to use the workspace again, you can re-open it. For instructions, see
Opening Workspaces.
Note: If you no longer need the workspace, you can remove it permanently. For instructions, see
Deleting Workspaces.
To close a workspace
Click on the tab for the workspace you want to close, or
Click on the tab for the workspace, and select Close, or
Open the tab finder by clicking and then click in the tab finder for the workspace you want to close.